Home / 14,118.29-19,481.08-8,067.48

Finding the Fourth Proportional to 14,118.29, 19,481.08 and 8,067.48

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Solution

The fourth proportional to 14,118.29, 19,481.08 and 8,067.48 is: 11,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.29 : 19,481.08 = 8,067.48 : x
  2. Step 2: Convert to fraction form
    14,118.29/19,481.08 = 8,067.48/x
  3. Step 3: Cross multiply
    14,118.29x = 19,481.08 × 8,067.48
  4. Step 4: Simplify right side
    14,118.29x = 157,163,223.28
  5. Step 5: Solve for x
    x = 157,163,223.28/14,118.29
  6. Step 6: Final answer
    x = 11,131.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.